/*
 *  Copyright (c) 2016, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 * @brief
 *   This file defines the platform-specific functions needed by OpenThread's example applications.
 */

#ifndef OPENTHREAD_SYSTEM_H_
#define OPENTHREAD_SYSTEM_H_

#include <openthread/instance.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Performs all platform-specific initialization of OpenThread's drivers.
 *
 * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
 *       when initialization of OpenThread's drivers is most appropriate.
 *
 * @param[in]  argc  Number of arguments in @p argv.
 * @param[in]  argv  Argument vector.
 */
void otSysInit(int aArgCount, char *aArgVector[]);

/**
 * Performs all platform-specific deinitialization for OpenThread's drivers.
 *
 * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
 *       when deinitialization of OpenThread's drivers is most appropriate.
 */
void otSysDeinit(void);

/**
 * Returns true if a pseudo-reset was requested.
 *
 * In such a case, the main loop should shut down and re-initialize the OpenThread instance.
 *
 * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
 *       in the main loop to determine when to shut down and re-initialize the OpenThread instance.
 */
bool otSysPseudoResetWasRequested(void);

/**
 * Performs all platform-specific processing for OpenThread's example applications.
 *
 * @note This function is not called by the OpenThread library. Instead, the system/RTOS should call this function
 *       in the main loop when processing OpenThread's drivers is most appropriate.
 *
 * @param[in]  aInstance  The OpenThread instance structure.
 */
void otSysProcessDrivers(otInstance *aInstance);

/**
 * Is called whenever platform drivers needs processing.
 *
 * @note This function is not handled by the OpenThread library. Instead, the system/RTOS should handle this function
 *       and schedule a call to `otSysProcessDrivers()`.
 */
extern void otSysEventSignalPending(void);

#ifdef __cplusplus
} // end of extern "C"
#endif

#endif // OPENTHREAD_SYSTEM_H_
